158 CYPERACES (Clarke). [ Pycreus. 
jj in., linear, compressed, yellow more or less brown-red-tinged, 
20- nutted ; glumes ovate boat-shaped, obtuse, closely imbricated even 
in fruit ; style-branches 2; nut oblong-ellipsoid, compressed, black, 
half the length of the glume, closely and regularly marked by raised 
dots, ee in Linnwa, x. 130; C. B. Clarke in Hook. f. Fl. Brit. 
Ind. 592. Cyperus polystachyus, R. Br. Prod. age Thunb. 
Prod, “18; Fl. Cap. ed. 102; Nees in Linnea, vii. 515; 
Boeck. in ‘Linen, XXXV. rie git of Rottb. C. A Linn. Sp. 
Plant. 46, ed. 2, 68, ~ Linn. Herb. mainly. 
Var. £8, itis (Benth, Fl, Austral. vii. 261); umbel open; spikelets 
eg ie Tosely pete Fiesin: at right angles. C. B. Clarke in Hook. 
OUTH AFRICA: without locality, Sieber, ade Dréye, 4404! 4105! Bergivs, 
166! Harvey, iat 371! Ecklon and Zeyher, 84 
Coast Reaion: Clanwilliam Div. ; Ma a Ka, near the yah ahated River, 
Drége! Cape Shy, ; near Cape Town, Thunberg, Drége, 9! Bolus, 3309! Burchell, 
683! 831! Camps Bay, Burchell, 851! False Bay, EeWetece | ? Tulbagh Div. : 
near ‘Tulbagh, oper = 1045/1! sig ee Worcester Div.; Re ian, 2s16! 
Caledon Div.; Zoe melks Valle chell, 7567! Uitenhage Div.; by t 
on a ora Burchell 44331 Vike 4358! Albany Div. : Genanstow 
2000 ft., n, 56 omgha Div.; Kei River, Flanagan, 95 
ictaae pteia : Natal ; [gogond wane, Suther land! ! Durban F need Buchanan, 
21! 37! 112! 310! Umlaas River rauss gis} Var. 8, Natal; Durban, 
: : O35 
Abundant in all warm and temperate regions, exee ek Ear 
There occurs every gradation from the dense Lepesant like Gis of P. polystachyus 
be to the extreme form of the var. B, laxijloi 
. P. ferrugineus (C. B. pia 7 rae ‘ Fl Brit. Ind. vi. 
463): spikelets rather large in., more brightly 
coloured, often somewhat tesla ie thes s he base ; glumes 
rather more distant, their tips less closely imbricated in fruit; nut 
rather larger (otherwise as P. polystachyus, Beauv. var. 8 tarijlor, 
Benth.). Cyperus ferrugineus, Poir im Lam. Encyc. vii. 261. 
C. micans, Kunth, Enum. ii. 12; Krauss in Flora, 1845, 754. 
C. polystaclyus, vars. ferrugineus and eh eth pate hk. wi 
Linnea, xxxv. 479. C. polystachyus, vars. ferrugineus, micars, 
and filicina, Cc. B. Clarke in Journ. ae mn. aS xxi. 54, 55. 
SoutH Areica;: without locality, Drége, 4 
Goes Recion: Komgha Div.; Kei River, & Plies n, 961! 
EASTERN nara Caffraria, Schu Itz! Pondoland, Drie 4419! Natal;- 
marshes near Umlaas River, Kyra 189! Coast la nd, Sutherland ! Howies, ; 
UL! 738! 3 6790! and without seecthe locality, Daiinitie, 3 Buchanan, 103! 
1} 2913 q 
cattered throught egy pest af dace tng Asian: in Tropical America and 
oleedteg north to Canada, i.e. merican Cyperus ein a C. Spreng: : 
seems to me identical with the re Pps Pycreus ferrugin 
umbrosus (Nees in Linnea, x. 130) ; gabroa stolons | 
rd long sou clothed by distant scales 14 in. long; stem solitary, 
ng, triquetrous at the top ; leaves all near the base of the 
ar Pa 12 by 4 in.; umbel 3- < in. in diam., or Mica to 
l compound head ; bracts 3-4, lowe t 38 i in. lone similar to the 
leaves ; spikelets 3-9 together, dati ebracteate, } by 3 in., vrauch 
